wpcom Features: add new Holiday Snow feature (#40478)

This commit brings a new feature to the mu-wpcom package:

- That feature can be toggled via Settings > General in wp-admin.
- It is active from December 1st to January 4th by default.

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/12201507312

Upstream-Ref: Automattic/jetpack@d416736

composer.json

@@ -4,7 +4,7 @@
 	"type": "wordpress-plugin",
 	"license": "GPL-2.0-or-later",
 	"require": {
-		"automattic/jetpack-mu-wpcom": "^6.0.1-alpha"
+		"automattic/jetpack-mu-wpcom": "^6.1.0-alpha"
 	},
 	"require-dev": {
 		"yoast/phpunit-polyfills": "^1.1.1",

vendor/automattic/jetpack-blaze/composer.json

@@ -11,7 +11,7 @@
 		"automattic/jetpack-plans": "^0.5.1",
 		"automattic/jetpack-redirect": "^3.0.1",
 		"automattic/jetpack-status": "^5.0.1",
-		"automattic/jetpack-sync": "^4.0.2"
+		"automattic/jetpack-sync": "^4.1.0-alpha"
 	},
 	"require-dev": {
 		"yoast/phpunit-polyfills": "^1.1.1",

vendor/automattic/jetpack-mu-wpcom/.eslintignore

@@ -1 +1,2 @@
 src/features/newspack-blocks/synced-newspack-blocks
+src/features/holiday-snow/snowstorm.js

vendor/automattic/jetpack-mu-wpcom/CHANGELOG.md

@@ -5,10 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [6.0.1-alpha] - unreleased
+## [6.1.0-alpha] - unreleased
 
 This is an alpha version! The changes listed here are not final.
 
+### Added
+- WordPress.com Features: add Holiday Snow functionality.
+
 ### Changed
 - Use wp_add_inline_script
 
@@ -1326,7 +1329,7 @@ This is an alpha version! The changes listed here are not final.
 
 - Testing initial package release.
 
-[6.0.1-alpha]: https://github.com/Automattic/jetpack-mu-wpcom/compare/v6.0.0...v6.0.1-alpha
+[6.1.0-alpha]: https://github.com/Automattic/jetpack-mu-wpcom/compare/v6.0.0...v6.1.0-alpha
 [6.0.0]: https://github.com/Automattic/jetpack-mu-wpcom/compare/v5.66.0...v6.0.0
 [5.66.0]: https://github.com/Automattic/jetpack-mu-wpcom/compare/v5.65.0...v5.66.0
 [5.65.0]: https://github.com/Automattic/jetpack-mu-wpcom/compare/v5.64.0...v5.65.0

vendor/automattic/jetpack-mu-wpcom/composer.json

@@ -56,7 +56,7 @@
 		},
 		"autotagger": true,
 		"branch-alias": {
-			"dev-trunk": "6.0.x-dev"
+			"dev-trunk": "6.1.x-dev"
 		},
 		"textdomain": "jetpack-mu-wpcom",
 		"version-constants": {

vendor/automattic/jetpack-mu-wpcom/src/class-jetpack-mu-wpcom.php

@@ -15,7 +15,7 @@
  * Jetpack_Mu_Wpcom main class.
  */
 class Jetpack_Mu_Wpcom {
-	const PACKAGE_VERSION = '6.0.1-alpha';
+	const PACKAGE_VERSION = '6.1.0-alpha';
 	const PKG_DIR         = __DIR__ . '/../';
 	const BASE_DIR        = __DIR__ . '/';
 	const BASE_FILE       = __FILE__;
@@ -103,6 +103,7 @@ public static function load_features() {
 		require_once __DIR__ . '/features/first-posts-stream/first-posts-stream-helpers.php';
 		require_once __DIR__ . '/features/font-smoothing-antialiased/font-smoothing-antialiased.php';
 		require_once __DIR__ . '/features/google-analytics/google-analytics.php';
+		require_once __DIR__ . '/features/holiday-snow/class-holiday-snow.php';
 		require_once __DIR__ . '/features/import-customizations/import-customizations.php';
 		require_once __DIR__ . '/features/marketplace-products-updater/class-marketplace-products-updater.php';
 		require_once __DIR__ . '/features/media/heif-support.php';
@@ -118,6 +119,8 @@ public static function load_features() {
 		\Automattic\Jetpack\Classic_Theme_Helper\Main::init();
 		\Automattic\Jetpack\Classic_Theme_Helper\Featured_Content::setup();
 
+		\Automattic\Jetpack\Jetpack_Mu_Wpcom\Holiday_Snow::init();
+
 		// Gets autoloaded from the Scheduled_Updates package.
 		if ( class_exists( 'Automattic\Jetpack\Scheduled_Updates' ) ) {
 			Scheduled_Updates::init();